package com.xiaobai.itextpdf;

import org.apache.poi.util.IOUtils;

import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.io.*;

/**
 * @author wangtw
 * @ClassName ImageUtil
 * @description: 图片工具类
 * @date 2024/1/1620:36
 */
public class ImageUtil {

    /**
     * 生成带文字的图片
     * @return
     */
    public static String createImage() {
        int imageWidth = 80;
        int imageHeight = 30;
        BufferedImage image = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);

        Graphics2D g2 = image.createGraphics();
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);

        Color c = new Color(255, 255, 255);
        g2.setColor(c);// 设置背景色
        g2.fillRect(0, 0, imageWidth, imageHeight);

        String code = "000153";
        // 设置文字字体
        Font font = new Font(null, Font.PLAIN, 10);
        g2.setFont(font);
        g2.setColor(new Color(0, 0, 0));
        // 文字起始位置
        g2.drawString(code, 5, 15);
        g2.dispose();

        String imagePath = "D:\\usr\\local\\zeus\\resource\\temp/aaa.jpg";
        OutputStream baos = null;
        try {
            baos = new FileOutputStream(new File(imagePath));
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        try {
            ImageIO.write(image, "jpg", baos);
        } catch (IOException e) {
            e.printStackTrace();
        }

        // 关闭输出流
        IOUtils.closeQuietly(baos);

        return imagePath;
    }

    public static void main(String[] args) {
        createImage();
    }
}
